INCOME TAXES (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Doubtful accounts	$ 0	$ 1,727
Inventory related items	0	30,017
Tax credits	0	3,156
Accrued vacation	0	3,310
Accrued bonus	0	5,596
Other	0	2,694
Total current deferred tax assets	0	46,500
Less valuation allowance	0	(528)
Current deferred tax assets after valuation allowance	0	45,972
Current liabilities:
Other	0	(483)
Total current deferred tax liabilities	0	(483)
Net current deferred tax assets	0	45,489
Non-current assets:
Doubtful accounts	1,943	0
Inventory related items	24,417	0
Tax credits	3,137	0
Accrued vacation	2,713	0
Accrued bonus	7,555	0
Stock compensation	16,222	14,840
Deferred revenue	767	3
Net operating loss carryforwards	17,548	17,899
Federal & state tax credits	6,227	12,278
Other	1,952	(402)
Total non-current deferred tax assets	82,481	44,618
Less valuation allowance	(4,887)	(6,244)
Non-current deferred tax assets after valuation allowance	77,594	38,374
Non-current liabilities:
Intangible & fixed assets	(225,328)	(148,714)
Other	(225)	(665)
Total non-current deferred tax liabilities	(225,553)	(149,379)
Deferred Tax Assets, Net, Noncurrent	(147,959)	(111,005)
Total net deferred tax assets (liabilities)	$ (147,959)	$ (65,516)